Home / 32,633.28-45,036.64-18,488.64

Finding the Fourth Proportional to 32,633.28, 45,036.64 and 18,488.64

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Solution

The fourth proportional to 32,633.28, 45,036.64 and 18,488.64 is: 25,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,633.28 : 45,036.64 = 18,488.64 : x
  2. Step 2: Convert to fraction form
    32,633.28/45,036.64 = 18,488.64/x
  3. Step 3: Cross multiply
    32,633.28x = 45,036.64 × 18,488.64
  4. Step 4: Simplify right side
    32,633.28x = 832,666,223.77
  5. Step 5: Solve for x
    x = 832,666,223.77/32,633.28
  6. Step 6: Final answer
    x = 25,515.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.